http://www.switched.com/2009/08/31/the-daily-engadget-gps-saves-you-4-days-a-year-greener-kindle/ Switched Comments for The Daily Engadget: GPS Saves You 4 Days a Year, Greener Kindle http://www.switched.com/media/feedlogo.gif http://www.switched.com en-us Copyright 2012 Weblogs, Inc. The contents of this feed are available for non-commercial use only. Blogsmith http://www.blogsmith.com/http://www.switched.com/2009/08/31/the-daily-engadget-gps-saves-you-4-days-a-year-greener-kindle/http://www.switched.com/2009/08/31/the-daily-engadget-gps-saves-you-4-days-a-year-greener-kindle/Sep 3rd 2009 4:35PM